Public holidays
1640, USA, Connecticut
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, January 1, 1640 | New Year's Day |
| Monday, January 2, 1640 | New Year's Day (observance) | |
| 2 | Sunday, February 12, 1640 | Lincoln's Birthday |
| Monday, February 13, 1640 | Lincoln's Birthday (observance) | |
| 3 | Wednesday, February 22, 1640 | Washington's Birthday |
| 4 | Friday, April 6, 1640 | Good Friday |
| 5 | Wednesday, May 30, 1640 | Memorial Day |
| 6 | Wednesday, July 4, 1640 | Independence Day |
| 7 | Monday, September 3, 1640 | Labor Day |
| 8 | Tuesday, December 25, 1640 | Christmas |